refact: add test-coverage.sh and some docs

Signed-off-by: ComixHe <heyuming@deepin.org>

tests/CMakeLists.txt

@@ -18,19 +18,10 @@ target_link_libraries(${BIN_NAME} PRIVATE
     dde_am_static
 )
 
-target_compile_options(${BIN_NAME} PRIVATE
-    -fno-access-control
-    -fsanitize=undefined
-    -fsanitize=address
-)
-
-target_link_options(${BIN_NAME} PRIVATE
-    -fsanitize=undefined
-    -fsanitize=address
-)
+target_compile_options(${BIN_NAME} PRIVATE "-fno-access-control")
 
 add_test(
     NAME UnitTest
     COMMAND ${BIN_NAME}
-    WORKING_DIRECTORY ${CMAKE_CURRENT_LIST_DIR}
+    WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}/tests
 )